Argentina fans look at a metro map for directions in downtown Moscow on June 14, 2018, ahead of the Russia 2018 World Cup football tournament. (Photo by Mladen Antonov/AFP Photo)

Fans of Peru stand to pose for pictures with passing fans from other countries, as visitors and Russians alike gathered to celebrate and cheer on their teams on the eve of the 2018 soccer World Cup, on Nikolskaya Street in Moscow, Russia, Wednesday, June 13, 2018. (Photo by Rebecca Blackwell/AP Photo)

A fan with face paint outside the stadium before the group A match between Russia and Saudi Arabia which opens the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Christian Hartmann/Reuters)

Saudi Arabia fans before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Grigory Dukor/Reuters)

A fan in fancy dress before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Carl Recine/Reuters)

Russia fans pose before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Christian Hartmann/Reuters)

Russia fans before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)

A Russia fan with body paint before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)

A Russia fan poses before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Christian Hartmann/Reuters)

Russia fans with face paint before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Carl Recine/Reuters)

Russia fan with body paint before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)

A Russia fan before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Carl Recine/Reuters)

.A Russia fan poses during the warm up before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Christian Hartmann/Reuters)

Russia fan before the group A match between Russia and Saudi Arabia which opens the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)

Russia fans with face paint before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)

Fans pose before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Sergei Boblev/TASS via Getty Images)

Fans pose for a photo as they watch the group A, 2018 soccer World Cup opening match between Russia and Saudi Arabia on a outdoors television screen, at Praca Maua, in Rio de Janeiro, Brazil, Thursday, June 14, 2018. (Photo by Silvia Izquierdo/AP Photo)

A Saudi Arabia fan waits for the start of the group A match between Russia and Saudi Arabia which opens the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Pavel Golovkin/AP Photo)

A Russia fan poses before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by The Mega Agency)

Rigobert Youmbi from Cameroon poses for a photo when wearing a body paint in the Russian color prior to the opening match between Russia and Saudi Arabia during the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Rebecca Blackwell/AP Photo)

A Russia fan shows her support prior to the 2018 FIFA World Cup Russia Group A match between Russia and Saudi Arabia at Luzhniki Stadium on June 14, 2018 in Moscow, Russia. (Photo by Lars Baron – FIFA/FIFA via Getty Images)